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Related to I-beam: H beam
An iron or steel beam with a symmetrical I-shaped cross section. See also: Beam
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
A rolled or extruded structural metal beam having a cross section resembling the letter I.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A structure whose cross section resembles the letter I. It may be extruded from or built up from aluminum, magnesium, or titanium alloys, or it may be made of wood, plastic, or steel. See beam (iii).
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved